| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | then [pron] [modal v] [adv] | 656 |
|
| 2 | then [pron] [vb mod] [adv] | 656 |
|
| 3 | [adv] [pron] must [adv] | 94 |
|
| 4 | then [pron] must [adv] | 38 |
|
| 5 | then [pron] must [adv] | 33 |
|
